Add deleteByKey tests to Geode adapter

criteria/geode/src/org/immutables/criteria/geode/Geodes.java

@@ -17,6 +17,7 @@
 package org.immutables.criteria.geode;
 
 import com.google.common.base.Preconditions;
+import org.apache.geode.cache.Region;
 import org.immutables.criteria.Criteria;
 import org.immutables.criteria.backend.ProjectedTuple;
 import org.immutables.criteria.expression.Call;
@@ -87,7 +88,7 @@ private static Object convert(Object value, Type destinationType) {
 
   /**
    * Geode (currently) doesn't support delete by query syntax ({@code DELETE ... WHERE ...}) and elements have to be
-   * removed explicitly by key ({@link Map#remove(Object)} API)
+   * removed explicitly by key (using {@link Map#remove(Object)} or {@link Region#removeAll} API)
    *
    * <p>Tries to detect if current criteria is based only on keys and extract them from expression (if it is only
    * expression based on keys).

criteria/geode/test/org/immutables/criteria/geode/GeodePersonTest.java

@@ -20,7 +20,10 @@
 import org.immutables.criteria.backend.Backend;
 import org.immutables.criteria.backend.WithSessionCallback;
 import org.immutables.criteria.personmodel.AbstractPersonTest;
+import org.immutables.criteria.personmodel.Person;
+import org.immutables.criteria.personmodel.PersonGenerator;
 import org.junit.jupiter.api.Disabled;
+import org.junit.jupiter.api.Test;
 import org.junit.jupiter.api.extension.ExtendWith;
 
 import java.util.EnumSet;
@@ -52,4 +55,28 @@ public void nested() {
     // nested doesn't work yet in Geode. Need custom PDX serializer
   }
 
+  @Test
+  void deleteByKey() {
+    PersonGenerator generator = new PersonGenerator();
+    repository().insert(generator.next().withId("id1"));
+    repository().insert(generator.next().withId("id2"));
+    repository().insert(generator.next().withId("id3"));
+
+    repository().delete(person.id.in("bad1", "bad2"));
+
+    // nothing was deleted (bad ids)
+    check(repository().findAll()).toList(Person::id).hasContentInAnyOrder("id1", "id2", "id3");
+
+    repository().delete(person.id.is("id1"));
+    check(repository().findAll()).toList(Person::id).hasContentInAnyOrder("id2", "id3");
+
+    repository().delete(person.id.in("id1", "id1"));
+    check(repository().findAll()).toList(Person::id).hasContentInAnyOrder("id2", "id3");
+
+    repository().delete(person.id.in("id2", "id2", "id1"));
+    check(repository().findAll()).toList(Person::id).hasContentInAnyOrder("id3");
+
+    repository().delete(person.id.in("id2", "id2", "id1", "id3"));
+    check(repository().findAll()).toList(Person::id).isEmpty();
+  }
 }